/Engine/Source/Developer/SkeletalMeshUtilitiesCommon/Public/LODUtilities.h
If BoneInfluenceLimit is 0, the DefaultBoneInfluenceLimit from the project settings will be used.
static void RegenerateAllImportSkinWeightProfileData ( [FSkeletalMeshLODModel](API\Runtime\Engine\Rendering\FSkeletalMeshLODModel) & LODModelDest, int32 BoneInfluenceLimit, const [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform )